feature

server/app/Services/Chain/ChainManager.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Services\Chain;
+
+use InvalidArgumentException;
+
+class ChainManager
+{
+    public function __construct(
+        private readonly TronDriver $tron,
+    ) {}
+
+    public function resolve(string $chain): ChainDriver
+    {
+        return match (strtolower($chain)) {
+            'tron', 'trx' => $this->tron,
+            default => throw new InvalidArgumentException("Unsupported chain: {$chain}"),
+        };
+    }
+}